Welcome to the Organization of Nematologists of Tropical America

The Organization of Nematologists of Tropical America (ONTA) is a nonprofit entity comprised of members who have an interest in the study of plant-parasitic, free-living and insect-parasitic nematodes. ONTA now has over 400 members worldwide. Membership is open to all individuals and companies that share an interest in subtropical and tropical Nematology. 


  • What’s Happening?

  • Nematropica – Available Online!

    ad June 2014 Issue
  • Membership

    Interested in becoming a member of ONTA? Join Today!
  • Sustaining Members